How do revolts weaken an empire?

Question: How do revolts weaken an empire!?

Hey everyone!. I am writing a compare and contrast essay, about the decline of the Han and Gupta empire!. I am trying to explain how socially, peoples' revolts weakened the empire but can't quite!. Help!.!.!.Www@QuestionHome@Com

Best Answer - Chosen by Asker:

Revolts can weaken any empire!.
Throughout history, if an empire's own people are rebeling, it makes it harder for the empires armies to focus on outside forces when its being destroyed from the inside out!.
Since the empire is fighting with itself, other countries take advantage of this, and tend to attack at onceWww@QuestionHome@Com

Revolts work to undermine authority!. They have a tendency to spread, but not always!.Www@QuestionHome@Com